<span>A similarity between humans and many other multicellular animals is that they are composed of organ systems. All multicellular organisms, including humans, must have organ systems to survive and function. </span>
Answer:
The correct answer is 3 countering the affect of declining CO2 on photosynthesis.
Explanation:
Carbon di oxide is an important reactant of photosynthesis.The atmospheric CO2 label regulates the rate of photosynthesis.
When the label of atmospheric CO2 decrease the photosynthesis rate also declines.
So to countering the effect of declining CO2 on phosynthesis plants increase the number of stomata in their leaves.
They were gigantic. Way bigger than a normal toroise
Answer:
UV radiation may cause negative regulators (tumor suppressors) to be under-expressed. UV radiation may cause positive regulators (oncogenic) to be over-expressed.
Explanation:
I found this on a quizlet. So credits to them- :)